diff --git a/src/soc/intel/apollolake/include/soc/pm.h b/src/soc/intel/apollolake/include/soc/pm.h
index 1e6a927613..c1dee0c3cd 100644
--- a/src/soc/intel/apollolake/include/soc/pm.h
+++ b/src/soc/intel/apollolake/include/soc/pm.h
@@ -165,6 +165,11 @@
 				 WARM_RESET_STS | GLOBAL_RESET_STS | \
 				 SRS | MS4V)
 #define GEN_PMCON2		0x1024
+#	define LPC_LPB_CLK_CTRL		((1 << 11) | (1 << 12) | (1 << 13))
+#	define BIOS_PCI_EXP_EN		(1 << 10)
+#	define PWRBTN_LVL		(1 <<  9)
+#	define SMI_LOCK			(1 <<  4)
+#	define PER_SMI_SEL		(1 <<  0)
 #define GEN_PMCON3		0x1028
 #       define SLP_S3_ASSERT_WIDTH_SHIFT	10
 #       define SLP_S3_ASSERT_MASK	(0x3 << SLP_S3_ASSERT_WIDTH_SHIFT)